Home / 361,548,025,011.03-498,936,355,955.43-198,967,670,917.08

Finding the Fourth Proportional to 361,548,025,011.03, 498,936,355,955.43 and 198,967,670,917.08

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Solution

The fourth proportional to 361,548,025,011.03, 498,936,355,955.43 and 198,967,670,917.08 is: 274,575,430,683.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,548,025,011.03 : 498,936,355,955.43 = 198,967,670,917.08 : x
  2. Step 2: Convert to fraction form
    361,548,025,011.03/498,936,355,955.43 = 198,967,670,917.08/x
  3. Step 3: Cross multiply
    361,548,025,011.03x = 498,936,355,955.43 × 198,967,670,917.08
  4. Step 4: Simplify right side
    361,548,025,011.03x = 99,272,204,680,307,077,545,984
  5. Step 5: Solve for x
    x = 99,272,204,680,307,077,545,984/361,548,025,011.03
  6. Step 6: Final answer
    x = 274,575,430,683.87

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.